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Package leaflet: Information for the user
Desunin 1000 IU tablets
Colecalciferol (Vitamin D3)

Read all of this leaflet carefully before you start taking this medicine because it contains
important information for you.
- Keep this leaflet. You may need to read it again.
- If you have any further questions, ask your doctor or pharmacist.
- This medicine has been prescribed for you only. Do not pass it on to others. It may harm them, even
if their signs of illness are the same as yours.
- If you get any side effects, talk to your doctor or pharmacist. This includes any possible side effects
not listed in this leaflet. See section 4.
What is in this leaflet:
1. What Desunin is and what it is used for
2. What you need to know before you take Desunin
3. How to take Desunin
4. Possible side effects
5. How to store Desunin
6. Contents of the pack and other information
1. What Desunin is and what it is used for
Desunin contains vitamin D3 which regulates the uptake and metabolism of calcium as well as the
incorporation of calcium in bone tissue.
Desunin is used to prevent and treat vitamin D3 deficiency in adults and adolescents.
Your doctor may prescribe Desunin as an adjunct to specific bone loss medication.
2. What you need to know before you take Desunin
Do not take Desunin
- if you are allergic to colecalciferol or any of the other ingredients of this medicine (listed in section
- if you have hypercalcaemia (increased levels of calcium in the blood) or hypercalciuria (increased
levels of calcium in the urine).
- if you have hypervitaminosis D (increased levels of vitamin D in the blood).
- if you have kidney stones.
If any of the above applies to you, talk to your doctor or pharmacist before taking Desunin.
Warnings and precautions
Talk to your doctor or pharmacist before using Desunin
- if you suffer from sarcoidosis (a special type of connective tissue disease that affects the lungs, skin
and joints).
- when using other drugs containing vitamin D.
- if you have kidney problems or have had kidney stones.
Desunin is not intended for use in children under 12 years due to lack of study data.
Other medicines and Desunin
Tell your doctor if you are taking, have recently taken or might take any other medicines.
- Cholestyramine (used to treat high cholesterol).
- Phenytoin or barbiturates (used to treat epilepsy).
- Laxatives which contain paraffin oil.
- Thiazide diuretics (to treat high blood pressure).

- Glucocorticoids (to treat inflammation).
- Cardiac glycosides (to treat heart conditions), e.g. digoxin.
Desunin with food and drink
Desunin can be taken with food.
Pregnancy, breast-feeding and fertility
During pregnancy the daily intake should not exceed 600 IU vitamin D.
Desunin should only be used during pregnancy if vitamin D deficiency has been clinically established.
Desunin can be used during breastfeeding.
Vitamin D3 passes over into breast milk. This should be considered when giving additional vitamin D
to the breast-fed child.
If you are pregnant or breast-feeding, think you may be pregnant or are planning to have a baby, ask
your doctor or pharmacist for advice before taking this medicine.
Driving and using machines
Desunin has no known effects on ability to drive or use machines.
Desunin contains sucrose and isomalt
If you have been told by your doctor that you have intolerance to some sugars, contact your doctor
before taking Desunin.

3. How to take Desunin
Always take this medicine exactly as your doctor has told you. Check with your doctor or pharmacist
if you are not sure.
The recommended dose is 1 tablet every day.
The daily dose shall not exceed 4000 IU (frou tablets).
The tablets can be swallowed whole or crushed.
Use in children
Desunin is not intended for use in children under 12 years due to lack of study data.
If you take more Desunin than you should
If you have taken more of this medicine than directed, or if a child accidentally has taken this
medicine, please contact your doctor or emergency unit for judgement of the risk and advice.
If you forget to take Desunin
Do not take a double dose to make up for a forgotten dose.
If you stop taking Desunin
If you have any further questions on the use of this medicine, ask your doctor or pharmacist.
4. Possible side effects
Like all medicines, this medicine can cause side effects, although not everybody gets them.
Stop taking Desunin and seek immediate medicinal help if you experience symptoms of serious
allergic reactions, such as:
• swollen face, lips, tongue or throat
• difficult to swallow
• hives and difficulty breathing
Uncommon (occurs in less than 1 out of 100 patients): Hypercalcaemia (increased levels of serum
calcium) and hypercalciuria (increased levels of urine calcium).
Rare (occurs in less than 1 out of 1 000 patients): Pruritus, rash and urticaria.
Reporting of side effects


If you get any side effects, talk to your doctor or pharmacist. This includes any possible side effects
not listed in this leaflet. You can also report side effects directly (see details below). By reporting side
effects you can help provide more information on the safety of this medicine.
United Kingdom:
Yellow Card Scheme
HPRA Pharmacovigilance
Earlsfort Terrace
IRL - Dublin 2
Tel: +353 1 6764971
Fax: +353 1 6762517
5. How to store Desunin
Keep this medicine out of the sight and reach of children.
Do not use this medicine after the expiry date which is stated on the blister and carton after EXP. The
expiry date refers to the last day of the month.
Do not store above 30°C. Store the tablets in the original package in order to protect from light and
Do not throw away any medicines via wastewater or household waste. Ask your pharmacist how to
throw away medicines you no longer use. These measures will help to protect the environment.
6. Contents of the pack and further information
What Desunin contains
- The active substance is colecalciferol
25 microgram corresponding to
1000 IU Vitamin D3.
- The other ingredients are pregelatinized maize starch, isomalt (E 953), magnesium stearate sucrose,
sodium ascorbate, medium chain triglycerides, silica colloidal anhydrous, modified food (maize)
starch and all-rac-alpha-tocopherol.
What Desunin looks like and contents of the pack
Desunin is a white to light yellow, bioconvex, tablet, 8 mm in diameter.
30 or 90 tablets in blisters.
Not all pack sizes may be marketed.
Marketing Authorisation Holder and
Marketing Authorisation Holder
United Kingdom:
Meda Pharmaceuticals Ltd.,
Skyway House, Parsonage Road,
Takeley, Bishop’s Stortford,
CM22 6PU, United Kingdom
Meda Health Sales Ireland Limited,
Unit 34/35, Block A,
Dunboyne Business Park,
Dunboyne, Co. Meath,
Vemedia Manufacturing B.V.
NL-1112 AX Diemen,

This medicinal product is authorised in the Member States of the EEA under the following
Desunin: Ireland and United Kingdom
Divisun: Denmark, the Netherlands,
Norway and Sweden
This leaflet was last approved in


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Source: Medicines and Healthcare Products Regulatory Agency

Disclaimer: Every effort has been made to ensure that the information provided here is accurate, up-to-date and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. This information has been compiled for use by healthcare practitioners and consumers in the United States. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate that the drug or combination is safe, effective or appropriate for any given patient. If you have questions about the substances you are taking, check with your doctor, nurse or pharmacist.